signal,signal,signal是什么意思,signal怎么读,signal的用法
英 [ˈsɪgnəl] 美 [ˈsɪɡnəl]
信号，暗号；预兆，征象；动机；导火线
向…发信号；用动作（手势）示意；以信号告知；
发信号；
显著的，优越的；暗号的，作信号用的；
变形
复数：signals过去式：signalled过去分词：signalled现在分词：signalling第三人称单数：signals
双语释义
n.(名词)- [C] 信号,暗号 sth intended to warn command, or give a message, such as a special sound or action
- [C] (无线电或电视所传送的)讯号,信息,图像 a sound, image, or message sent by waves, as in radio or television
- vt. & vi. 发信号,用信号传达,用信号通讯 make a signal or signals; send or express (sth) in this way; communicate with (sb) in this way
英英释义
signal
- n.
- any communication that encodes a message
"signals from the boat suddenly stopped"
同义词：signalingsign
- any incitement to action
"he awaited the signal to start"; "the victory was a signal for wild celebration"
- an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
- any communication that encodes a message
- v.
- communicate silently and non-verbally by signals or signs
"The diner signaled the waiters to bring the menu"
同义词：signsignalizesignalise
- be a signal for or a symptom of
"The economic indicators signal that the euro is undervalued"
同义词：bespeakbetokenindicatepoint
- communicate silently and non-verbally by signals or signs
- adj.notably out of the ordinary
"the year saw one signal triumph for the Labour party"
词汇搭配
用作名词 (n.)动词+～- catch the signal见到那信号
- give〔ignore〕 a signal给〔忽视〕信号
- produce signals产生信号
- put up〔send〕 a signal发信号
- receive signals接收信号
- repeat〔respond to〕 a signal重复〔回答〕信号
- show a signal显示信号
- audible〔clear〕 signal听得见〔清楚〕的信号
- auditory〔calling, visual〕 signal声音〔呼叫,视觉〕信号
- unmistakable〔weak〕 signal明确无误〔微弱〕的信号
- alarm〔caution, danger〕 signal警报〔警戒,危险〕信号
- color light signals彩色灯信号
- fire〔fog, storm〕 signal火灾〔起雾,暴风雨〕信号
- home〔railroad〕 signal进站〔铁路〕信号
- input〔output〕 signals输入〔输出〕信号
- picture signals图像信号
- radar signal雷达脉冲
- traffic signal〈美〉交通信号
- signal generator〔lamp, pistol〕信号发生器〔灯,枪〕
- at a signal在信号发出时
- begin at a signal在信号发出时开始
- ask by signal用信号发问
- on a signal在信号发出时
- signal by sounding a bell以铃声为信号
- signal for a retreat撤退信号
- signal from发自…的信号
- signal in code编码信号
- signal of danger危险的信号
- signal to发往…的信号
- signal position示意位置
- signal wildly乱发信号
- signal out a distress signal发出遇难信号
- signal for为(某事)而发信号
- signal for help发信号求救
- signal with flags用旗子当信号
词组短语
signal processing信号处理
digital signal数字信号
digital signal processing数字信号处理
signal processor n. 信号处理机；讯息处理者
signal transmission信号传输；信号发送
digital signal processor数位讯号处理器
output signal输出信号
input signal[电]输入信号
signal analysis信号分析
signal generator信号发生器；讯号产生机
signal detection信号检测
signal to noise ratio信噪比，信号噪声比
control signal控制信号；操纵信号
speech signal语言信号，语音信号
video signal视频信号
traffic signal交通信号；交通讯号，指挥灯
audio signal声频信号；可听声信号
signal source n. 信号源
analog signal[计]模拟信号
electric signal电讯号
更多收起词组短语同近义词辨析
sign, emblem, symbol, token, attribute, mark, signal, badge这组词都有“标志、象征、符号”的意思，其区别是：
sign普通用词，指人们公认事物的记号，也可指某种情况的征兆。
emblem指选定象征一个国家、民族或家庭等的图案或实物。
symbol指作象征或表达某种深邃意蕴的特殊事物。
token语气庄重，指礼品、纪念物等作为表示友谊、爱情等的象征或标志。
attribute指人或物及其地位、属性的象征。
mark普通用词，含义广泛。既可指方便于辨认而有意做的标记，又可指自然形成的标记或有别于他事物的特征。
signal指为某一目的而有意发出的信号。
badge一般指金属证章或写有姓名的带状标志物。
双语例句
用作名词(n.)- A red lamp is often a danger signal.
红灯常常是危险的信号。 - I corrected my watch by the time signal.
我按报时信号校正我的表。 - I've called several times, but I keep getting a busy signal.
我打了好几次了,可是一直是忙音。 - We live too far from the city to get a strong television signal.
我们住的地方离城里太远, 不能收到清晰的电视图像。 - Her speech yesterday is a signal that her view has changed.
她昨天的讲话标志著她的观点已经转变。
- The police signalled the traffic to move forward slowly.
警察向来往车辆打信号，示意缓慢前行。 - The submarine signaled for help.
潜水艇发出求救的信号。
- People speak of Mark Twain as a signal humourous writer.
人们称马克·吐温为杰出的幽默作家。 - This is a signal success.
这是显著的成功。